Home / 18,463.38-27,691.74-5,312.52

Finding the Fourth Proportional to 18,463.38, 27,691.74 and 5,312.52

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Solution

The fourth proportional to 18,463.38, 27,691.74 and 5,312.52 is: 7,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.38 : 27,691.74 = 5,312.52 : x
  2. Step 2: Convert to fraction form
    18,463.38/27,691.74 = 5,312.52/x
  3. Step 3: Cross multiply
    18,463.38x = 27,691.74 × 5,312.52
  4. Step 4: Simplify right side
    18,463.38x = 147,112,922.58
  5. Step 5: Solve for x
    x = 147,112,922.58/18,463.38
  6. Step 6: Final answer
    x = 7,967.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.